
.container{
    width: 800px;
    height: 400px;
    margin: 50px auto;
    border:1px red  solid;
    display: flex;
    flex-direction: row;
}

.leftDiv{
    width: 200px;
    height:100%;
    border-right: 1px red solid;
}
.rightDiv{
    width: 500px;
    height:100%;

}
